Bolt connecting piece

The utility model discloses a bolt connecting piece, which belongs to the technical field of building structure connecting pieces and comprises a fastening piece for connecting a reinforcing steel bar component and a disassembly-free bottom plate and a cushion block arranged between the reinforcing steel bar component and the disassembly-free bottom plate, the fastener comprises a U-shaped hook type bolt and a matched nut, wherein one side of the U-shaped hook type bolt hooks a lower-layer reinforcing steel bar of the reinforcing steel bar assembly, and the matched nut is matched with the other side of the U-shaped hook type bolt in size. The other side of the U-shaped hook type bolt penetrates into the disassembly-free bottom plate and is screwed and fixed by a matched nut; the upper end of the cushion block is provided with a reserved groove for erecting a lower-layer reinforcing steel bar in the reinforcing steel bar assembly. According to the utility model, the positioning is easy, the automatic productio